Dayton Audio T1504K 15" Titanic Mk 4 1000 Watt Subwoofer Kit 15&quot; Titanic driver and 1,000 watt amplifier move massive amounts of air Perfect for home theater and high-volume music playback Superior construction assures reliable Dayton Audio performance Fast assembly will have you enjoying your kit in no time 5-year driver warranty and 1-year amplifier warranty